Piper Pipes has the following inventory data:
Extended Cost
July 01 Beginning Inventory 10 units @ $120 $ 1,200
July 05 Purchased inventory 60 units @ $112 $ 6,720
July 14 Customer Sale 40 units
July 21 Purchased inventory 30 units @ $115 $ 3,450
July 30 Customer Sale 28 units
July 30 Ending Inventory in Units = 32 Units
July 1 - July 30 Total Number of Units Sold = 68 Units
Assuming that a periodic inventory system is used, what is the COST OF GOODS SOLD on a LIFO basis?